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The Territory of Montana was an organized incorporated territory of the United States that existed from May 26, 1864, [1] until November 8, 1889, when it was admitted as the 41st state in the Union as the state of Montana.
After the discovery of gold in the region, Montana was designated as a United States territory (Montana Territory) on May 26, 1864, and, with rapid population growth, as the 41st state on November 8, 1889.
Before the creation of Montana Territory (1864–1889), areas within present-day Montana were part of the Oregon Territory (1848–1859), Washington Territory (1853–1863), Idaho Territory (1863–1864), and Dakota Territory (1861–1864). Montana Territory became a territory of the United States on May 26, 1864.
1 day ago · The United States acquired territory including Montana through the Louisiana Purchase of 1803. The first non-Native American explorers known to have set foot in Montana were the members of the Lewis and Clark Expedition (1804–06).
Learn how Montana Territory was created in 1864 from Idaho Territory, influenced by the mining boom and the Civil War. Discover the history and geography of the new territory and its western border.
Nov 9, 2009 · Montana is the fourth largest U.S. state by area, behind Alaska, Texas and California, but with an average of just six people per square mile, it is one of the country’s least densely populated...
Sep 21, 2023 · In 1861, two-thirds of eastern Montana lay within the Dakota Territory, while the northwestern portion of the state lay within the Washington Territory, a territory that had been carved from the eastern region of the previously established Oregon Territory.
